Lesson 4.1.1.1
4.1.1.1 Energy stores and systems Quiz: AQA Physics, Unit 1
20 questions
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Lesson 4.1.1.1, Energy stores and systems: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 1: Energy, written with Revision Ninja.
Host it live on the board and students join with a game code on their own devices, or revise alone with Free Play. The answers are revealed in the game.
The 20 questions
-
What is defined as an object or group of objects in physics?
- A system
- A field
- A circuit
- A medium
-
As an object is projected upwards, what happens to its kinetic store?
- Decreases
- Stays constant
- Becomes zero instantly
- Increases
-
When a vehicle slows down by braking, which energy store increases?
- Thermal store
- Chemical store
- Gravitational store
- Elastic store
-
When water in an electric kettle is brought to a boil, which energy store increases?
- Chemical store
- Nuclear store
- Kinetic store
- Thermal store
-
When a moving object hits an obstacle and stops, what happens to its kinetic store?
- Doubles
- Increases
- Decreases
- Remains constant
-
Which energy store of a cup of hot tea decreases as it cools down?
- Elastic potential store
- Nuclear store
- Kinetic store
- Internal (thermal) store
-
When an object is accelerated by a constant force, what increases?
- Nuclear store
- Kinetic store
- Elastic store
- Chemical store
-
Which of these is a valid example of a system change?
- Dormant heavy boulder
- Toy starting movement
- Static frozen ice
- Stationary isolated rock
-
At the highest point of a ball thrown upwards, what is its kinetic store?
- Constant
- Negative
- Maximum
- Zero
-
A kettle takes 500000 J of electrical energy. 400000 J is stored in the water and the rest is wasted. How much is transferred to the surroundings?
- 500000 J
- 900000 J
- 400000 J
- 100000 J
-
When a compressed spring pushes a ball forwards, which store decreases?
- Thermal store
- Gravitational store
- Magnetic store
- Elastic store
-
When an electric motor lifts a load vertically, which store increases?
- Chemical store
- Magnetic store
- Elastic store
- Gravitational store
-
When bicycle brakes become hot during stopping, energy is transferred to which store?
- Chemical store
- Thermal store
- Kinetic store
- Nuclear store
-
When a lamp is switched on, energy is transferred from the battery's store to where?
- Light and thermal
- Gravitational only
- Chemical only
- Elastic only
-
A 2 kg object falls freely through 5 m. With g = 10 N/kg and no energy losses, what is its kinetic store at the bottom?
- 10 J
- 200 J
- 50 J
- 100 J
-
Why does a moving object that hits a wall make both slightly warmer?
- Magnetic induction
- Chemical reaction
- Nuclear fission
- Thermal energy transfer
-
A system takes in 1000 J. Its kinetic store gains 250 J and its gravitational store gains 500 J. How much energy is in its thermal store, assuming no other stores change?
- 250 J
- 1000 J
- 750 J
- 500 J
-
When a dropped ball falls, what happens to its gravitational store?
- Stays constant
- Increases
- Disappears
- Decreases
-
What happens to the total energy in a closed system over time?
- Stays the same
- Drops to zero
- Always decreases
- Always increases
-
A ball is lifted slowly to a shelf at constant speed. Which energy store increases?
- Nuclear store
- Gravitational potential store
- Elastic potential store
- Kinetic store
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